package lei;
public class TestPeople {
    public static void main(String[] args) {
        People P=new People();
        SouthPeople S=new SouthPeople();
        NorthPeople N=new NorthPeople();
        P.eat();
        S.eat();
        N.eat();

        People S2=new SouthPeople();
        People N2=new NorthPeople();
        S2.eat();
        N2.eat();
    }
}
